org.apache.spark.sql.hive.CarbonAnalyzer.scala Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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package org.apache.spark.sql.hive
import org.apache.spark.sql.SparkSession
import org.apache.spark.sql.catalyst.analysis.Analyzer
import org.apache.spark.sql.catalyst.catalog.SessionCatalog
import org.apache.spark.sql.catalyst.plans.logical.LogicalPlan
import org.apache.spark.sql.catalyst.rules.Rule
import org.apache.spark.sql.internal.SQLConf
import org.apache.spark.util.CarbonReflectionUtils
class CarbonAnalyzer(catalog: SessionCatalog,
conf: SQLConf,
sparkSession: SparkSession,
analyzer: Analyzer) extends Analyzer(catalog, conf) {
val mvPlan = try {
CarbonReflectionUtils.createObject(
"org.apache.carbondata.mv.datamap.MVAnalyzerRule",
sparkSession)._1.asInstanceOf[Rule[LogicalPlan]]
} catch {
case e: Exception =>
null
}
override def execute(plan: LogicalPlan): LogicalPlan = {
var logicalPlan = analyzer.execute(plan)
logicalPlan = CarbonPreAggregateDataLoadingRules(sparkSession).apply(logicalPlan)
logicalPlan = CarbonPreAggregateQueryRules(sparkSession).apply(logicalPlan)
if (mvPlan != null) {
mvPlan.apply(logicalPlan)
} else {
logicalPlan
}
}
}